/*
 *  Copyright (c) 2015, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *  http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */
package org.wso2.carbon.launcher;

/**
 * This is an interface which may be implemented by a Carbon developer to get notified of the Carbon server startup and
 * the Carbon server shutdown. These listener implementations will get notified before launching the OSGi framework
 * as well as after shutting down the OSGi framework. CarbonServer notifies these listeners synchronously.
 * <p>
 * To register a CarbonServerListener, add the fully qualified class name to carbon.server.listeners property in
 * launch.properties file. This property accepts a list of comma separated fully qualified class names.
 *
 * @since 5.0.0
 */
public interface CarbonServerListener {

    /**
     * Receives notification of a CarbonServerEvent.
     *
     * @param event CarbonServerEvent
     */
    public void notify(CarbonServerEvent event);

}
